A new housing complex planned in Astana, Kazakhstan's capital, is set to include a 1,000ft ski slope, running from the roof to the ground.

The proposed project was devised by a group of architects, led by Shokhan Mataibekov, who were inspired by Kazakhstan's exceedingly long, cold winter. [...]

Enter House Slalom, a multi-purpose, 21-storey building comprised of shops on the ground floor, 421 flats on the upper floors, and an outdoor ski slope running alongside the building.
— telegraph.co.uk